#pragma once
#include <stdlib.h>
#include <string>
#include "opengl.h"
#include "viewport.h"

class RenderSystem {
private:
  GLFWwindow* m_window;
  Viewport m_viewport;

  void shutdown();

  // Copy is not allowed
  RenderSystem(const RenderSystem&) = delete;
  RenderSystem& operator=(const RenderSystem&) = delete;
public:
  RenderSystem() : m_viewport(800,600) {}
  ~RenderSystem() { shutdown(); }

  int init(const char* window_name);
  void preFrame();
  void postFrame();

  inline bool getIsWindowAlive() const {
    return !glfwWindowShouldClose(m_window);
  }
};